SSL Provenance API
Introduction Focus on your core proposition. We handle C2PA and CAWG. The SSL Provenance API is fully managed REST API from SSL. It creates, signs
SSL Support Team
What Is Certificate Pinning?
What is Certificate Pinning? Chrome deprecated HTTP Public Key Pinning (HPKP), the web standard that allowed sites to define public-key pins, in 2018 and removed
Key Generation and Attestation with YubiKey for Code Signing Certificates
How to generate a key pair and attestation certificate on your YubiKey FIPS to order EV code signing certificates.
Yubikey FIPS tokens vs Thales/Gemalto USB tokens
SSL.com ships code signing certificates that are pre-installed on Yubikey FIPS tokens and Thales SafeNet (Gemalto) USB tokens. Both are hardware devices used for secure
Code Signing Certificates, Cloud Signing Options and Signing Operations Integration
What is a Code Signing Certificate? A code signing certificate is a digital certificate that provides a globally accepted proof of identity of a software
Getting Started with your eSigner Account
Learn how to set up your eSigner account and configure annotation-based and digital signatures to sign PDF and Microsoft Office files with flexible signing options.
Make a Payment with SSL.com’s Invoicing Feature
Our invoice function is here to help make your certificate purchase and installation experience smooth and easy. Here’s how to use it.
How to eSeal a Document using eSigner
Learn how to use eSigner eSeal to apply digital signatures to PDFs and test certificate-based signing before purchasing an Individual or Organization Validation certificate.
How to Add a Digital Signature to a PDF Document Using eSigner
Learn how to add electronic and certificate-based digital signatures to PDF documents using SSL.com eSigner for signer authenticity and document integrity.
SSL/TLS Handshake: Ensuring Secure Online Interactions
Whenever we visit a website, make an online purchase, or check our email, data is transmitted back and forth between our devices and remote servers.
What is a Certificate Authority (CA)?
A certificate authority (CA) is a trusted organization that verifies the identity of a website, person, or company, then issues a digital certificate confirming
Removal of the Client Authentication EKU from TLS Server Certificates – What You Need to Know
Overview Since September 15, 2025, SSL.com’s TLS server certificates have been issued without the Client Authentication extended key usage (EKU) extension. This change was guided
Protect Yourself From Phishing
With so many people working from home, phishing is now a bigger problem than ever. Here’s how to spot phishing emails and websites and defend against them.
What is SSL/TLS: An In-Depth Guide
Quick answer: SSL/TLS (Secure Sockets Layer and Transport Layer Security) is the cryptographic protocol that encrypts data between a client and a server and verifies
Compliance Update: 2026-09-10 MPIC Validation Evidence and Mass Revocation Event
A brief explanation regarding the recent revocation event that concluded on Thursday, September 10, 2026.An issue was identified in our certificate issuance workflow, resulting in
How to Create a Document Signing Workflow with eSigner
Learn how to create and manage eSigner document signing workflows, add signers, place signature fields, and collect electronic signatures on PDFs.
YubiKey Firmware 5.7.4 Adds Support for 3072-bit RSA Code Signing Keys
Good news for YubiKey users: Yubico has released firmware 5.7.4 for the YubiKey 5 FIPS Series, and it changes what you can do with your
Integrating eSigner with CI/CD Pipelines (A Complete Setup and Configuration Guide)
Learn how to integrate SSL.com eSigner with CI/CD pipelines using CKA or CodeSignTool for secure, automated code signing across leading platforms.
New Minimum RSA Key Size for Code Signing Certificates
Beginning on May 31, 2021, the minimum RSA key size for code signing and EV code signing certificates issued by SSL.com will increase from 2048 to 3072 bits.
Sole Proprietor EV Application
Sole Proprietorships and Their Impact on Extended Validation for Code Signing Qualification Introduction: Extended Validation Code Signing Certificates (EVCS) provide the highest level of validation
DV, OV, IV, and EV Certificates
Certificates from SSL.com include DV (Domain Validated), OV (Organization Validated), IV (Individual Validated), and EV (Extended Validated) Certificates.
Code Signing Error Reference: Common Error Messages, Causes, and Resolutions
Find common code signing errors, their causes, and recommended resolutions in this reference guide. Quickly identify error messages by signing method, tool, or interface, and learn when to contact support.
What Is the ACME Protocol?
Learn about the ACME protocol – an automated method for managing SSL/TLS certificate lifecycles. Discover how it streamlines certificate issuance, renewal, and improves website security through standardized automation.
Getting Started With Your Code Signing Certificate: Installation, Configuration, and Your First Signing Operation
A step-by-step guide to token-based and cloud (eSigner) code signing for developers, IT teams, and PKI administrators.
How to Configure SSL.com S/MIME Certificates for Microsoft Outlook on iOS and Android
Configure SSL.com S/MIME certificates for Microsoft Outlook on iOS and Android using Microsoft Intune to secure mobile email with digital signatures and end-to-end encryption.
